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Tom Lane 67dde49a3d Make archiver's SIGQUIT handler exit via _exit(). 
Commit 8e19a8264 changed the SIGQUIT handlers of almost all server
processes not to run atexit callbacks.  The archiver process was
skipped, perhaps because it's not connected to shared memory; but
it's just as true here that running atexit callbacks in a signal
handler is unsafe.  So let's make it work like the rest.

In HEAD and v13, we can use the common SignalHandlerForCrashExit
handler.  Before that, just tweak pgarch_exit to use _exit(2)
explicitly.

Like the previous commit, back-patch to all supported branches.

Kyotaro Horiguchi, back-patching by me

Discussion: https://postgr.es/m/1850884.1599601164@sss.pgh.pa.us
2020-09-09 15:32:34 -04:00
config configure: Update python search order 2019-01-13 10:24:21 +01:00
contrib Make contrib modules' installation scripts more secure. 2020-08-10 10:44:43 -04:00
doc doc: clarify that max_wal_size is "during" checkpoints 2020-09-01 17:00:10 -04:00
src Make archiver's SIGQUIT handler exit via _exit(). 2020-09-09 15:32:34 -04:00
.dir-locals.el Make Emacs perl-mode indent more like perltidy. 2019-01-13 11:32:36 -08:00
.gitattributes Remove contrib/tsearch2. 2017-02-13 11:06:11 -05:00
.gitignore Support for optimizing and emitting code in LLVM JIT provider. 2018-03-22 11:05:22 -07:00
aclocal.m4 Fix configure's AC_CHECK_DECLS tests to work correctly with clang. 2018-11-19 12:01:47 -05:00
configure Stamp 11.9. 2020-08-10 17:17:40 -04:00
configure.in Stamp 11.9. 2020-08-10 17:17:40 -04:00
COPYRIGHT Update copyrights for 2020 2020-01-01 12:21:44 -05:00
GNUmakefile.in Make install-tests target work with vpath builds 2020-05-31 18:35:21 -04:00
HISTORY Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
Makefile Don't unset MAKEFLAGS in non-GNU Makefile. 2019-06-25 09:40:20 +12:00
README Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00
README.git Change documentation references to PG website to use https: not http: 2017-05-20 21:50:47 -04:00

README 

PostgreSQL Database Management System
=====================================

This directory contains the source code distribution of the PostgreSQL
database management system.

PostgreSQL is an advanced object-relational database management system
that supports an extended subset of the SQL standard, including
transactions, foreign keys, subqueries, triggers, user-defined types
and functions.  This distribution also contains C language bindings.

PostgreSQL has many language interfaces, many of which are listed here:

	https://www.postgresql.org/download

See the file INSTALL for instructions on how to build and install
PostgreSQL.  That file also lists supported operating systems and
hardware platforms and contains information regarding any other
software packages that are required to build or run the PostgreSQL
system.  Copyright and license information can be found in the
file COPYRIGHT.  A comprehensive documentation set is included in this
distribution; it can be read as described in the installation
instructions.

The latest version of this software may be obtained at
https://www.postgresql.org/download/.  For more information look at our
web site located at https://www.postgresql.org/.